أرسل هذا في رسالة قصيرة: Unsteady motion, finite Reynolds numbers, and wall effect on Vorticella convallaria contribute contraction force greater than the Stokes drag

  ______    _____      _____    ______    ____    
 /_   _//  |  ___||   / ___//  /_   _//  |  _ \\  
   | ||    | ||__     \___ \\   -| ||-   | |_| || 
  _| ||    | ||__     /    //   _| ||_   | .  //  
 /__//     |_____||  /____//   /_____//  |_|\_\\  
 `--`      `-----`  `-----`    `-----`   `-` --`